public class Preson {
    private int age;
    public void setAge(int age) {
        this.age=age;
    }
    public int getAge() {
        if(this.age<0){
            return 0;
        }
        else if(this.age>200){
            return 200;
        }
        else{
            return this.age;
        }
    }
}
